What does "mush" means?

1.

An old Romany word, meaning "my good friend".

2.

An expression that is excessively sweet and sentimental

There are more definitions available online.

so what does 2mush means to me... 2 or more people mushing together / two mush / too mush / too many possibilities... you get my idea.

I guess that's photography, we try to connect through an image. Between You and I and the photo itself.